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Mitral prolapse

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https://www.readbyqxmd.com/read/29920772/relation-of-mitral-valve-morphology-to-surgical-repair-results-in-patients-with-mitral-valve-prolapse-a-three-dimensional-transesophageal-echocardiography-study
#1
Mirian M Pardi, Pablo M A Pomerantzeff, Roney Orismar Sampaio, Maria C Abduch, Carlos M A Brandão, Wilson Mathias, Max Grinberg, Flavio Tarasoutchi, Marcelo L C Vieira
BACKGROUND: The identification of predictors of mitral valve (MV) repair results is important for quality improvement in cardiac surgery. The aim of this study was to evaluate the relationship between MV morphological quantification by three-dimensional (3D) transesophageal echocardiography and mitral repair results. METHODS: Fifty-four patients with MV prolapse who were submitted to surgical repair were divided into 2 groups according to their postoperative mitral regurgitation (MR) degree (group 1, grade 0-I MR; group 2, ≥grade II MR)...
June 19, 2018: Echocardiography
https://www.readbyqxmd.com/read/29915716/mitral-valve-repair-results-in-suppression-of-ventricular-arrhythmias-and-normalization-of-repolarization-abnormalities-in-mitral-valve-prolapse
#2
Wael Alqarawi, David H Birnie, Ian G Burwash
No abstract text is available yet for this article.
May 2018: HeartRhythm Case Reports
https://www.readbyqxmd.com/read/29912141/preoperative-planning-of-transapical-beating-heart-mitral-valve-repair-for-safe-adaptation-in-clinical-practice
#3
Samuel Heuts, Jean H T Daemen, Sebastian A F Streukens, Jules R Olsthoorn, Jindrich Vainer, Emile C Cheriex, Jos G Maessen, Peyman Sardari Nia
OBJECTIVE: Transapical off-pump minimally invasive mitral valve repair (TOP-MINI) is a new technique for the surgical repair of degenerative mitral regurgitation based on mitral valve prolapse. The aim of this study is to demonstrate the preoperative planning tools available for starting this new procedure in a safe manner. METHODS: The first patients undergoing TOP-MINI by a single surgeon in 2016 were prospectively included. All patients underwent identical clinical pathways and underwent extensive preoperative planning for a safe start of the program...
June 14, 2018: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/29903346/infective-endocarditis-in-patients-with-bicuspid-aortic-valve-or-mitral-valve-prolapse
#4
Isabel Zegri-Reiriz, Arístides de Alarcón, Patricia Muñoz, Manuel Martínez Sellés, Victor González-Ramallo, Jose M Miro, Carles Falces, Claudia Gonzalez Rico, Xabier Kortajarena Urkola, José Antonio Lepe, Regino Rodriguez Alvarez, Jose Maria Reguera Iglesias, Enrique Navas, Fernando Dominguez, Pablo Garcia-Pavia
BACKGROUND: There is little information concerning infective endocarditis (IE) in patients with bicuspid aortic valve (BAV) or mitral valve prolapse (MVP). Currently, IE antibiotic prophylaxis (IEAP) is not recommended for these conditions. OBJECTIVES: This study sought to describe the clinical and microbiological features of IE in patients with BAV and MVP and compare them with those of IE patients with and without IEAP indication, to determine the potential benefit of IEAP in these conditions...
June 19, 2018: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29893669/nonresectional-simplified-folding-technique-in-robotic-mitral-valve-plasty-comparison-with-leaflet-resection-technique
#5
Tatsuya Tarui, Norihiko Ishikawa, Ryuta Kiuchi, Shigeyuki Tomita, Hiroshi Ohtake, Go Watanabe
OBJECTIVE: The mitral valve plasty (MVP) technique for degenerative disease is typically leaflet resection and suturing. However, this technique is time consuming and unreproducible. To overcome this disadvantage, we developed a nonresectional folding technique, which is fast and reproducible. In this report, we examine our new folding technique in robotic MVP. METHODS: The new folding technique was performed in 10 patients (age 56 ± 15 years), and the conventional resection and suturing (RS) technique was performed in 22 patients (age 53 ± 8 years)...
May 7, 2018: Heart Surgery Forum
https://www.readbyqxmd.com/read/29890145/transapical-beating-heart-mitral-valve-repair-using-a-novel-neochord-implantation-system
#6
Shouzheng Wang, Xu Meng, Zhiling Luo, Xiangbin Pan
We reported a successful beating-heart transapical mitral valve repair in a 78-year-old patient suffering severe mitral regurgitation with prohibitive surgical risk using MitralstitchTM system, a novel device distinguished by its' implanted neochord mimicking the surgical pledgeted suture and the retrievable positioner facilitating leaflet capture. This technology would be a competitive option for high-risk patients with severe mitral regurgitation due to leaflet prolapse.
June 8, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29884292/role-of-genetic-heart-disease-in-sentinel-sudden-cardiac-arrest-survivors-across-the-age-spectrum
#7
John R Giudicessi, Michael J Ackerman
BACKGROUND: Sudden cardiac arrest (SCA) may be the sentinel expression of a sudden cardiac death-predisposing genetic heart disease (GHD). Although shown to underlie many unexplained SCAs in the young, the contribution of GHDs to sentinel SCA has never been quantified across the age spectrum. Thus, we sought to determine the contribution of GHDs in single-center referral cohort of non-ischemic SCA survivors. METHODS AND RESULTS: Retrospective analysis of 3037 patients was used to identify all individuals who experienced a sentinel event of SCA...
May 30, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29876289/recurrent-premature-ventricular-contraction-induced-ventricular-fibrillation-and-resuscitated-sudden-death-in-a-26-year-old-pregnant-woman-with-bileaflet-mitral-valve-prolapse
#8
Tisa Saha, Robert Norris, Jeffrey Luebbert
No abstract text is available yet for this article.
February 2018: HeartRhythm Case Reports
https://www.readbyqxmd.com/read/29858366/residual-mitral-regurgitation-after-repair-for-posterior-leaflet-prolapse-importance-of-preoperative-anterior-leaflet-tethering
#9
Taichi Sakaguchi, Nobuyuki Kagiyama, Misako Toki, Arudo Hiraoka, Akihiro Hayashida, Toshinori Totsugawa, Kentaro Tamura, Genta Chikazawa, Hidenori Yoshitaka, Kiyoshi Yoshida
BACKGROUND: Carpentier's techniques for degenerative posterior mitral leaflet prolapse have been established with excellent long-term results reported. However, residual mitral regurgitation (MR) occasionally occurs even after a straightforward repair, though the involved mechanisms are not fully understood. We sought to identify specific preoperative echocardiographic findings associated with residual MR after a posterior mitral leaflet repair. METHODS AND RESULTS: We retrospectively studied 117 consecutive patients who underwent a primary mitral valve repair for isolated posterior mitral leaflet prolapse including a preoperative 3-dimensional transesophageal echocardiography examination...
June 1, 2018: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29843286/numerical-simulation-of-transapical-off-pump-mitral-valve-repair-with-neochordae-implantation
#10
Gediminas Gaidulis, Emiliano Votta, Matteo Selmi, Sigita Aidietienė, Audrius Aidietis, Rimantas Kačianauskas
BACKGROUND: Transapical off-pump mitral valve (MV) repair is a novel minimally-invasive surgical technique, allowing to correct mitral regurgitation (MR) caused by chordae tendineae rupture. While numerical simulation of the MV structure has proven to be useful to evaluate the effects of the MV surgical repair techniques, no numerical simulation studies on the outcomes of transapical MV repair have been done up to now. OBJECTIVE: The purpose of this study is to evaluate the transapical MV repair using finite element modeling and to determine the effect of the neochordal length on the function of the prolapsing MV...
May 18, 2018: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/29804897/left-atrial-function-is-associated-with-earlier-need-for-cardiac-surgery-in-moderate-to-severe-mitral-regurgitation-usefulness-in-targeting-for-early-surgery
#11
Liam Ring, Yasir Abu-Omar, Nikki Kaye, Bushra S Rana, William Watson, David P Dutka, Vassilios S Vassiliou
BACKGROUND: The aim of this study was to determine whether assessment of left atrial (LA) function helps identify patients at risk for early deterioration during follow-up with mitral valve prolapse and mitral regurgitation. METHODS: Patients with moderate to severe mitral regurgitation but no guideline-based indications for surgery were retrospectively identified from a dedicated clinical database. Maximal and minimal LA volumes were used to derive total LA emptying fraction ([maximal LA volume - minimal LA volume]/maximal L volume × 100%)...
May 24, 2018: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/29796325/patient-with-marfan-syndrome-and-a-novel-variant-in-fbn1-presenting-with-bilateral-popliteal-artery-aneurysm
#12
Ahmed Mohammad, Haytham Helmi, Paldeep S Atwal
We present a 43-year-old man with aortic root dilation, mitral valve prolapse, and marfanoid appearance, who presented with acute onset left leg pain. He underwent a Doppler ultrasound that revealed left popliteal artery aneurysm with thrombus. CT angiogram showed bilateral popliteal artery aneurysms. After repairing of his left popliteal artery aneurysm, he was sent for genetic evaluation. He was diagnosed with Marfan syndrome (MFS) based on the revised Ghent criteria and then underwent FBN1 sequencing and deletion/duplication analysis, which detected a novel pathogenic variant in gene FBN1 , denoted by c...
2018: Case Reports in Genetics
https://www.readbyqxmd.com/read/29782080/implanting-neochordae-for-the-repair-of-mitral-valve-prolapse-using-a-prosthetic-ring-with-chordal-sizing-system-a-modified-technique-for-myxomatous-leaflets
#13
Antonio Lio, Antonio Miceli, Matteo Ferrarini, Andrea Montisci, Mattia Glauber
The use of artificial polytetrafluoroethylene (PTFE) chordae has been widely adopted in the setting of mitral valve repair. In this tutorial, we present a modified technique for neochordae placement using a semi-rigid complete ring, with a chordal sizing system. This ring was introduced with the aim of standardizing neo-chordae implantation and we introduce a modification of the implantation technique in the presence of myxomatous leaflets.
May 8, 2018: Multimedia Manual of Cardiothoracic Surgery: MMCTS
https://www.readbyqxmd.com/read/29780944/central-retinal-artery-occlusion-secondary-to-barlow-s-disease
#14
Carl S Wilkins, Katherine McCabe, Avnish Deobhakta, James Chelnis
Purpose: To report a rare case of isolated, unilateral CRAO in a young patient with mitral valve prolapse secondary to Barlow's disease. Observations: A 29-year-old woman with history of premature ventricular contractions and cardiac ablation presented to the emergency room after sudden onset painless visual loss in her left eye (OS). Her vision was 20/20 in her right eye and hand motion in the left. Fundus exam demonstrated a central retinal artery occlusion (CRAO) OS...
June 2018: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29762926/genetic-complexity-of-mitral-valve-prolapse-revealed-by-clinical-and-genetic-evaluation-of-a-large-family
#15
Gloria T Haskell, Brian C Jensen, Cecile Skrzynia, Thelsa Pulikkotil, Christian R Tilley, Yurong Lu, Daniel S Marchuk, Leigh Ann Samsa, Kirk C Wilhelmsen, Ethan Lange, Cam Patterson, James P Evans, Jonathan S Berg
BACKGROUND: A genetic component to familial mitral valve prolapse (MVP) has been proposed for decades. Despite this, very few genes have been linked to MVP. Herein is described a four-generation pedigree with numerous individuals affected with severe MVP, some at strikingly young ages. METHODS: A detailed clinical evaluation performed on all affected family members demonstrated a spectrum of MVP morphologies and associated phenotypes. RESULTS: Linkage analysis failed to identify strong candidate loci, but revealed significant regions, which were investigated further using whole-exome sequencing of one of the severely affected family members...
September 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/29750930/a-simplified-technique-for-complex-mitral-valve-regurgitation-via-minimally-invasive-approach
#16
Giuseppe Speziale, Marco Moscarelli, Nicola Di Bari, Raffaele Bonifazi, Massimo Salardino, Teresa De Donatis, Giusepe Nasso
BACKGROUND: Complex mitral valve disease can require surgical repair techniques that are challenging in a minimally invasive context and may expose patients to prolonged cardiopulmonary bypass and cross clamp times. Here, we review our simplified stepwise operative approach for the treatment of complex bileaflet mitral disease, on early outcomes and mid-term follow-up. METHODS: One hundred and forty consecutive patients with bileaflet disease underwent video-assisted right minimally invasive mitral valve repair at our surgical center between 2008 and 2016...
May 8, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29738755/durability-at-19-years-of-quadrangular-resection-with-annular-plication-for-mitral-regurgitation
#17
Elisabetta Lapenna, Benedetto Del Forno, Ludovica Amore, Stefania Ruggeri, Giuseppe Iaci, Davide Schiavi, Igor Belluschi, Marta Bargagna, Ottavio Alfieri, Michele De Bonis
BACKGROUND: To report the long-term (19 years) clinical and echocardiographic results of the quadrangular resection with annular plication and annuloplasty. METHODS: A hundred forty-five consecutive patients (mean age 58±11.1years, LVEF 59±9.5%) with severe degenerative mitral regurgitation due to posterior leaflet prolapse/flail, underwent quadrangular resection of the posterior leaflet combined with ring (127 patients,87.5%) or pericardium (18 patients,12.5%) annuloplasty...
May 5, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29735373/natural-history-of-echocardiographic-abnormalities-in-mucopolysaccharidosis-iii
#18
Carolyn M Wilhelm, Kristen V Truxal, Kim L McBride, John P Kovalchin, Kevin M Flanigan
BACKGROUND: Mucopolysaccharidosis (MPS) type III, Sanfilippo Syndrome, is an autosomal recessive lysosomal storage disorder. MPS I and II patients often develop cardiac involvement leading to early mortality, however there are limited data in MPS III. The objective of this study is to describe cardiac abnormalities in a large group of MPS III patients followed in a longitudinal natural history study designed to determine outcome measures for gene transfer trials. METHODS: A single center study of MPS III patients who were enrolled in the Nationwide Children's Hospital natural history study in 2014...
April 27, 2018: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/29732567/catheter-ablation-of-papillary-muscle-arrhythmias-implications-of-mitral-valve-prolapse-and-systolic-dysfunction
#19
Adam Lee, Christian Hamilton Craig, Russell Denman, Haris M Haqqani
BACKGROUND: The left ventricular papillary muscles are important components of the mitral valve apparatus. Catheter ablation of ventricular arrhythmias from these sites is challenging. We aim to describe the association between LV papillary muscle ventricular arrhythmias (VAs) and mitral valve prolapse (MVP), and to determine the outcomes of ablation in these patients with a focus on those with MVP and cardiomyopathy. METHODS: 152 patients underwent 170 consecutive procedures for ablation of focal VAs...
May 6, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29729267/good-five-year-durability-of-transapical-beating-heart-off-pump-mitral-valve-repair-with-neochordae
#20
Philipp Kiefer, Sabine Meier, Thilo Noack, Michael Andrew Borger, Joerg Ender, Alexandro Hoyer, Friedrich Wilhelm Mohr, Joerg Seeburger
BACKGROUND: Transapical, beating heart, off-pump implantation of neochordae for repair of mitral valve (MV) prolapse is of increasing interest. The aim of this study was to evaluate long term results for MV repair using the NeoChord system. METHODS: Six patients underwent treatment for severe primary mitral regurgitation (MR) using the NeoChord DS1000 system as part of the initial device safety and feasibility Transapical Artificial Chordae Tendinae (TACT) trial at our institution...
May 2, 2018: Annals of Thoracic Surgery
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